4891227 has 32 divisors (see below), whose sum is σ = 7776000. Its totient is φ = 2701440.

The previous prime is 4891217. The next prime is 4891241. The reversal of 4891227 is 7221984.

It is a happy number.

It is not a de Polignac number, because 4891227 - 2⁷ = 4891099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4891217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18049 + ... + 18317.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

Almost surely, 2^4891227 is an apocalyptic number.

4891227 is a deficient number, since it is larger than the sum of its proper divisors (2884773).

4891227 is a wasteful number, since it uses less digits than its factorization.

4891227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its digits is 8064, while the sum is 33.

The square root of 4891227 is about 2211.6118556383. The cubic root of 4891227 is about 169.7484977703.

The spelling of 4891227 in words is "four million, eight hundred ninety-one thousand, two hundred twenty-seven".